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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <script>
        let num1 = prompt("请输入第一个数值");
        let num2 = prompt("请输入第二个数值");

        alert('两数相乘等于' + (num1 * num2));
        alert('两数相除等于' + (num1 / num2));

    </script>
</body>
</html>